3Q0H | pdb_00003q0h

Structure of T-cell immunoreceptor with immunoglobulin and ITIM domains (TIGIT)

• PDB DOI: https://doi.org/10.2210/pdb3Q0H/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-12-15 Released: 2011-02-16 
• Deposition Author(s): Ramagopal, U.A., Guo, H., Samanta, D., Nathenson, S.G., Almo, S.C., New York Structural Genomics Research Consortium (NYSGRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.237 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.207 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Starting Model: experimental

Literature

Structure of T-cell immunoreceptor with immunoglobulin and ITIM domains (TIGIT)

Ramagopal, U.A., Guo, H., Samanta, D., Nathenson, S.G., Almo, S.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 25.43 kDa 
• Atom Count: 1,881 
• Modeled Residue Count: 216 
• Deposited Residue Count: 234 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
T cell immunoreceptor with Ig and ITIM domains	A, B	117	Homo sapiens	Mutation(s): 0  Gene Names: TIGIT, VSIG9, VSTM3
UniProt & NIH Common Fund Data Resources
Find proteins for Q495A1 (Homo sapiens) Explore Q495A1  Go to UniProtKB:  Q495A1
PHAROS:  Q495A1 GTEx:  ENSG00000181847

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.237 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.207 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.951	α = 90
b = 74.671	β = 92.39
c = 43.346	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-02-16 
Deposition Author(s): Ramagopal, U.A., Guo, H., Samanta, D., Nathenson, S.G., Almo, S.C., New York Structural Genomics Research Consortium (NYSGRC)

Revision History  

• Version 1.0: 2011-02-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2023-09-13
  Changes: Data collection, Database references, Refinement description
• Version 1.4: 2024-11-27
  Changes: Structure summary